In medium mixing bowl, combine ½ cup flour, yeast and salt; mix well. In saucepan, heat water and shortening/butter to 120-130°F (shortening/butter does not need to melt); add to flour mixture. Mix by hand until somewhat smooth. Gradually stir in remaining flour to make a stiff dough. With lightly floured fingers, press into greased 9 or 10-inch pie pan to make a crust. If desired, crimp edges. Fry bacon until crisp; crumble. Sprinkle bacon and cheese in pie shell. In large mixing bowl, beat eggs until foamy. Add remaining ingredients; mix well. Pour over bacon and cheese. Bake at 400°F for 30 to 35 minutes until knife inserted in center comes out clean and center is set. Serve warm.